<template>
  <div class="helper">
      <span class="left">2 items left </span>
      <span class="tabs">
          <span
          v-for="state in states"
          :key="state"
          :class="[state,filter === state ? 'active':'']"
          @click="toggleFilter(state)">
              {{state}}
          </span>

      </span>
      <span class="clear" @click="clearAllCompeleted"> Clear completed</span>
  </div>
</template>

<script>
export default {
  data() {
    return {
      states: ["all", "active", "completed"]
    };
  },
  props: {
    filter: {
      type: String,
      required: true
    },
    todos: {
      type: Array,
      required: true
    }
  },
  methods: {
    toggleFilter() {},
    clearAllCompeleted() {}
  }
};
</script>

<style lang="stylus" scoped>
.helper {
    font-weight: 100;
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
    line-height: 30px;
    background-color: #ffffff;
    font-size: 14px;
    font-smoothing: antialiased;
}

.left, .clear, .tabs {
    padding: 0px 10px;
    box-sizing: border-box;
}

.left, .clear {
    width: 150px;
}

.left {
    text-align: left;
}

.clear {
    text-align: right;
    cursor: pointer;
}

.tabs {
    width: 200px;
    display: flex;
    justify-content: space-around;

    * {
        display: inline-block;
        padding: 0px 10px;
        cursor: pointer;
        border: 1px solid rgba(175, 47, 47, 0);

        &.actived {
            border-color: rgba(175, 47, 47, 0.4);
            border-radius: 5px;
        }
    }
}
</style>
